I will sound harsh but I'm really curious so I have to ask: - What was the thinking behind supporting only Chrome? - For a tool that support cross-browser, wo

I will sound harsh but I'm really curious so I have to ask: - What was the thinking behind supporting only Chrome? - For a tool that support cross-browser, wouldn't it expected that tool itself runs on multiple browsers? - Is it really reasonable not to spend time to support multiple browsers and have let possible first adapters to have bad taste with the product ?